How do I generate a Java object and pass parameters like a directive? Can you give me an example?

How do I generate a Java object and pass parameters like a directive? Can you give me an example?
The version I use is 5.9.0


<groupId>io.github.kobylynskyi</groupId>
<artifactId>graphql-codegen-maven-plugin</artifactId>
<version>5.9.0</version>
```
directive @inContext(
    """language"""
    language: Language

    """country"""
    country: Country
) on QUERY
```